blow your/somebody's mind
blow (one's) mind
To extremely impress, overwhelm, or excite one. The show of support from everyone just blew my mind. I had really low expectations for that movie, but it totally blew my mind.
blow your mindINFORMAL
COMMON If something blows your mind, you find it extremely exciting and impressive. I saw her show in Manchester and it just blew my mind. Oxford really blew his mind. He loved the feeling of the place, he loved the people. Note: You can also say that something is mind-blowing. Falling in love like that is a mind-blowing experience. There are over a thousand paintings, sculptures and other works from the period and it all adds up to a mind-blowing visual experience. Note: This expression originated in the 1960s and was originally used to refer to the experience of taking drugs such as LSD.